2.1 Fundamentals of Voltage Source Inverters2.1.1 Performance Criteria2.1.1.1 Current Harmonics2.1.1.2 Harmonic Spectrum2.1.1.3 Maximum Modulation Index2.1.1.4 Torque Harmonics2.1.1.5 Switching Frequency and Switching Losses2.1.1.6 Common-Mode Voltage ( CMV )2.2 Open-Loop PWM2.2.1 Carrier-Based PWM2.2.1.1 Suboscillation Method2.2.1.2 Modified Suboscillation Method2.2.1.3 Sampling Techniques2.2.1.4 Space-Vector Modulation2.2.1.5 Discontinuous Pulsewidth Modulation2.2.1.6 General Expression of the Duty Cycle in Carrier-Based PWM Techniques2.2.1.7 Modified Space-Vector Modulation2.2.1.8 Synchronized Carrier Modulation2.2.2 Carrierless PWM2.2.3 Overmodulation2.2.4 SV-PWM for the Minimization of the Common-Mode Emissions2.2.4.1 Common-Mode Voltage2.2.4.2 Switching Strategy2.2.5 Optimized Open-Loop PWM2.2.6 Experimental Verification of Open-Loop PWM Techniques2.3 Closed-Loop Control of VSIs2.3.1 Classification of Closed-Loop Control Strategy2.3.1.1 Hysteresis Current Control2.3.1.2 Suboscillation Current Control2.3.1.3 Space-Vector Current Control2.3.1.3.1 Stationary Vector Controller2.3.1.3.2 Synchronous Vector Controller2.3.1.3.3 Stationary Resonant Controller2.3.1.4 Closed-Loop PWM with Real-Time Optimization2.3.1.5 Predictive Current Control2.3.1.6 Pulsewidth Control with Field Orientation2.3.1.7 Trajectory Tracking Control2.3.2 From the Six-Pulse Rectifier to the Active Rectifier2.3.3 Current Control of VSIs2.3.3.1 Voltage-Oriented Control ( VOC )2.3.3.1.1 Circuital Analysis of the Active Rectifier2.3.3.1.2 Stationary Reference Frame Analysis2.3.3.1.3 Synchronous Reference Frame Analysis2.3.3.2 Virtual Flux-Oriented Control2.3.3.3 Experimental Results with VOC and VF-OC2.3.4 Power Control of VSIs2.3.4.1 Direct Power Control2.3.4.2 Switching Table DPC2.3.4.3 Virtual Flux Direct Power Control2.3.4.4 Experimental Results with DPC and VF-DPC2.3.4.5 DPC EMC (Electromagnetic Compatible)2.3.4.6 Simulation Results with DPC-EMC 1 and DPC-EMC 22.3.4.7 Comparative Experimental Analysis of DPC, DPC-EMC 1, and DPC-EMC 22.3.4.8 Standard Compliance: Comparative Analysis